G1483-0250WNA – 250W CRPS Power Supply Tailored for PoE Switches and Intelligent Network Infrastructure
The G1483-0250WNA power supply is engineered specifically for Power-over-Ethernet (PoE) switches, telecom equipment, networking gear, and AI edge systems. With a 1U CRPS-standard form factor (185 x 73.5 x 40 mm), it provides a compact solution for modern high-density deployments.
Delivering 54.5V at 4.58A as its main output and 12V at 3A for standby power, this AC/DC power module supports a wide input voltage range of 90–264Vac / 180–300Vdc, making it highly adaptable for global installations.
Advanced digital control with PMBus 1.2 enables intelligent telemetry, precise power regulation, and seamless remote management. The unit meets Platinum efficiency standards and includes Active Power Factor Correction (PFC) to enhance energy savings and maintain system stability.
An intelligent thermal design with smart fan control ensures efficient cooling and low acoustic output, while the reverse airflow feature allows integration into diverse system airflow schemes.
Compliant with UL, CE, FCC, CB, and other international safety and EMC certifications, the G1483-0250WNA delivers dependable performance in mission-critical network and AI infrastructure.
Features
CRPS-185: 185×73.5x40mm(LxWxH)
CRPS-265: 265×73.5x40mm(LxWxH)
3A Max standby output current
Voltage Tolerance : 54.5Vdc ±3%(52.8-56.1Vdc)
Hot-plug
Full Digital control
Active Power Factor Correction
Intelligent-thermal Fan Control
N+1 Redundant
Reverse Airflow Option
Applications
POE Switch
Networking
Telecom
Artificial Intelligence
Router System
AI Data Centers
5G Base Stations
IoT Gateways
Approvals
UL/CUL
CB
TUV/Mark
CCC/CQC
FCC
CE
Specifications
| Output Power (W): | 250 |
| Length (mm): | 185 |
| Width (mm): | 73.5 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 4.58 |
| Output Voltage (V): | 54.5 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 250 |
| Minimum Input Voltage (V): | 90 |
| Maximum Input Voltage (V): | 264 |
Model Selection Comparison Table
|
Model |
Power Tier | Behavior | Input | Form Factor | Recommended Use |
| G1483-0250WNA | Entry | Access & IoT workloads | AC/DC 54.5V | CRPS-185 |
PoE edge, SD-WAN, microcell |
| Mid | More cache/storage headroom | AC/DC 54.5V | CRPS-185 | Busy gateways & NAS-lite | |
| G1483-0600WNA | High | Heavy routing/PoE loads | AC/DC 54.5V | CRPS-185 |
Multi-service clusters |
Deployment Scenarios
The G1483-0250WNA serves as the entry-level model within the G1483 series, delivering 250W continuous output for compact compute gateways, telecom switches, PoE access nodes, and distributed edge appliances operating on a 54.5V input power architecture. It is designed for networks where low-power compute, security routing, access aggregation, or sensor gateways require reliable efficiency and ripple stability without the overhead of higher-watt units.
Its power class fits SD-WAN appliances, PoE controllers, compact edge servers, storage-lite devices, industrial IoT aggregators, and 5G microcells, where medium burst loads occur during traffic spikes or firmware rollouts.
|
Scenario |
Workload Profile | Why 250W Fits |
| SD-WAN appliance | Mixed routing tasks |
Efficient baseline for edge fabrics |
|
PoE access aggregation |
IP cameras / APs | Stable delivery for moderate PoE draw |
| Storage-lite servers | Low NVMe/HDD |
Suitable for caching or edge NAS |
|
Industrial IoT gateway |
Sensor & telemetry | Low ripple under burst ingestion |
| Edge telecom node | 54.5V infrastructure |
Direct compatibility with telecom DC |
|
Compact VM host |
Light workloads |
Ideal for minimal compute deployments |
Power Architecture & Reliability Design
The G1483-0250WNA is built on an optimized 54.5V-to-12V DC-DC conversion stage, balancing conversion efficiency and load tolerance for medium-duty telecom and edge computing applications. It is designed for environments where power stability and long-term reliability are more critical than peak wattage, supporting consistent operation in access-layer networking, IoT aggregation, and compact edge compute nodes.
Ripple behavior is tightly controlled to preserve rail stability during packet bursts, PoE current swings, and I/O flush operations. This ensures dependable performance for network interfaces, flash controllers, and embedded processing units, even when traffic patterns fluctuate rapidly. Stable voltage regulation makes the unit a reliable backbone PSU for remote cabinets where maintenance access is limited.
Thermal architecture emphasizes steady heat distribution within compact rack-mounted or wall-installed enclosures, preventing localized hotspots during extended uptime windows. Controlled inrush behavior supports safe startup in multi-node cabinets, while PMBus compatibility (series dependent) enables centralized monitoring in managed telecom environments. As a result, the G1483-0250WNA is well suited for distributed deployments that require predictable power behavior across long service lifecycles.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Edge PoE network nodes |
Allow ventilation around intake |
|
SD-WAN appliance hosting |
Maintain capacity margin for bursts |
| Remote telecom cabinets |
Dust-free airflow improves lifetime |
|
Storage-lite deployment |
Ideal for low write cycles |
| Firmware push events |
Expect transient current peaks |
|
Multi-service nodes |
Log PMBus when applicable |
| Low-maintenance racks |
Suitable for unattended runtime |
|
Lifecycle control |
Monitor thermal saturation periodically |
FAQ
Q1. What workloads suit 250W?
Edge PoE nodes, SD-WAN, IoT gateways and light routing appliances.
Q2. Is 24/7 uptime supported?
Yes — designed for remote telecom environments and long service periods.
Q3. Can it handle PoE load variance?
Stable against current spikes and packet burst behavior.
Q4. Does it support flash caching use?
Yes — optimized for low-power storage-lite workloads.
Q5. When should I upgrade to 350W/600W?
When planning more NICs, more PoE draw, or heavy storage use.
Q6. Suitable for microcell or RAN edge nodes?
Yes — 54.5V compatibility aligns with telecom distribution.
Q7. How does ripple behave under traffic?
Controlled envelope protects control plane & flash modules.
Q8. Deployment best practice?
Maintain airflow path and track PMBus metrics if available.